21122011200101 has 8 divisors (see below), whose sum is σ = 24244853781120. Its totient is φ = 18025521721488.

The previous prime is 21122011200091. The next prime is 21122011200107. The reversal of 21122011200101 is 10100211022112.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-21122011200101 is a prime.

It is a super-2 number, since 2×21122011200101² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (21122011200107) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6588273881 + ... + 6588277086.

It is an arithmetic number, because the mean of its divisors is an integer number (3030606722640).

Almost surely, 2^{21122011200101} is an apocalyptic number.

It is an amenable number.

21122011200101 is a deficient number, since it is larger than the sum of its proper divisors (3122842581019).

21122011200101 is a wasteful number, since it uses less digits than its factorization.

21122011200101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13176551203.

The product of its (nonzero) digits is 16, while the sum is 14.

Adding to 21122011200101 its reverse (10100211022112), we get a palindrome (31222222222213).

The spelling of 21122011200101 in words is "twenty-one trillion, one hundred twenty-two billion, eleven million, two hundred thousand, one hundred one".